Finding the Fourth Proportional to 14,497,204.20, 21,762,596.70 and 7,778,740.20
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Solution
The fourth proportional to 14,497,204.20, 21,762,596.70 and 7,778,740.20 is: 11,677,119.50
Step by Step Solution
- Step 1: Write the proportion equation
14,497,204.20 : 21,762,596.70 = 7,778,740.20 : x - Step 2: Convert to fraction form
14,497,204.20/21,762,596.70 = 7,778,740.20/x - Step 3: Cross multiply
14,497,204.20x = 21,762,596.70 × 7,778,740.20 - Step 4: Simplify right side
14,497,204.20x = 169,285,585,806,677.34 - Step 5: Solve for x
x = 169,285,585,806,677.34/14,497,204.20 - Step 6: Final answer
x = 11,677,119.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.